Refractory products for lining of steel teeming ladles

Refractory products for lining of steel teeming ladles

Refractory products for lining of steel teeming ladles are designed for lining of steel teeming ladles and other thermal units

Technical characteristics

	Norm for mark
	SHKU-32	SHKU-37	MKRKU-45	MKRKP-45	MLKS-62
	GOST 5341-2016
Mass fraction, %: Al₂O₃, no less Al₂O₃, over Fe₂O₃, no more	32 - -	37 - -	- 45 3,5	- 45 3,5	- 62 1,4
Refractory property, °C, no low than	1690	1730(1710)*	1730	1730	-
Compressive resistance, N/mm², no less	27	30(27)*	35	40	30
Open porosity, %, no more	19	18(19)*	18	16	22
Residual changes in the sizes during heating,%, no more, at the temperature: 1400 °C 1500 °C	+0,3 -	+0,3 -	+0,4 -	+0,2 -	- +0,4
Onset temperature of softening, °C, no low than	1370	1400(1370)*	1400	1400	1450
Thermal resistance, thermal cycling , no less	4	4(3)*	3	4	-

* The indicator values for products made from the clays of the Arkalyk and Berlin natural occurrence are indicated in brackets

Technical characteristics

	Norm for mark
	MLKU-62	MLKU -69	MKKS-72	MKKS-75	MKKS-90
	GOST 5341-2016
Mass fraction, %: Al₂O₃, no less Al₂O₃, over Fe₂O₃, no more	- 62 1,1	69 - 1,0	- 72 1,5	75 - 2,2	90 - 0,8
Compressive resistance, N/mm², no less	50	50	30	40	50
Open porosity, %, no more	17	19	24	23	24
Residual changes in the sizes during heating, %, no more, at the temperature: 1600 °C	-	-	+1,0	+2,5	-
Onset temperature of softening, °C, no low	1600	1650	1500	1420	1660
Thermal resistance*, thermal cycling , no less	15	15	-	3	-

* It is determined by the agreement of the consumer with the producer.

	Norm for mark
	KMKRU -45	KMKRU -50	KMKRU -55
	ТS 14-8-647-94 with a change1-3
Mass fraction, %: Al₂O₃, no less Fe₂O₃, no more	45 3,5	50 4,4	55 4,0
Refractory property, °C, no low	1730	1730	1730
Compressive resistance, N/mm², no less	35	33	35
Open porosity, %, no more	19	19	19
Residual changes in the sizes during heating, %, no more, at the temperature: 1400 °C	0,4	0,4	0,4
Thermal resistance, thermal cycling , no less than	4	4	4

	Norm for mark
	KBU	KBU
	ТS 14-194-300-10 with a change 1
Mass fraction, %: Al₂O₃, no less Fe₂O₃, no more	55 4	60 3
Refractory property, °C, no low	1750	1770
Compressive resistance, N/mm², no less	35	45
Open porosity, %, no more	20	19
Residual changes in the sizes during heating, %, no more than, at the temperature: 1400 °C	up -0,4 to +1,0	up -0,4 to +1,0
Thermal resistance, thermal cycling , no less	4	6

Form and sizes

Double sided neck brick

Double sided trapezoidal brick

Double sided trapezoidal brick

Wedge product

Straight brick